docs: fix broken link to blogs (cloudwego#1813)

Author: scientiacoder

README.md

@@ -98,7 +98,7 @@ We provide the [kitex-benchmark](https://github.com/cloudwego/kitex-benchmark) p
 - [CloudWeGo: A leading practice for building enterprise cloud native middleware!](https://www.cloudwego.io/blog/2023/06/15/cloudwego-a-leading-practice-for-building-enterprise-cloud-native-middleware/)
 - [Kitex: Unifying Open Source Practice for a High-Performance RPC Framework](https://www.cloudwego.io/blog/2022/09/30/kitex-unifying-open-source-practice-for-a-high-performance-rpc-framework/)
 - [Performance Optimization on Kitex](https://www.cloudwego.io/blog/2021/09/23/performance-optimization-on-kitex/)
-- [ByteDance Practice on Go Network Library](https://www.cloudwego.io/blog/2021/10/09/bytedance-practices-on-go-network-library/)
+- [ByteDance Practice on Go Network Library](https://www.cloudwego.io/blog/2020/05/24/bytedance-practices-on-go-network-library/)
 - [Getting Started With Kitex's Practice: Performance Testing Guide](https://www.cloudwego.io/blog/2021/11/24/getting-started-with-kitexs-practice-performance-testing-guide/)
 
 ## Contributing

README_cn.md

@@ -96,7 +96,7 @@ Kitex[kaɪt'eks] 字节跳动内部的 Go 微服务 RPC 框架，具有**高性
 - [Kitex 两周年回顾 — 能力升级、社区合作与未来展望](https://www.cloudwego.io/zh/blog/2023/11/30/kitex-%E4%B8%A4%E5%91%A8%E5%B9%B4%E5%9B%9E%E9%A1%BE-%E8%83%BD%E5%8A%9B%E5%8D%87%E7%BA%A7%E7%A4%BE%E5%8C%BA%E5%90%88%E4%BD%9C%E4%B8%8E%E6%9C%AA%E6%9D%A5%E5%B1%95%E6%9C%9B/)
 - [高性能 RPC 框架 CloudWeGo-Kitex 内外统一的开源实践](https://www.cloudwego.io/zh/blog/2022/09/20/%E9%AB%98%E6%80%A7%E8%83%BD-rpc-%E6%A1%86%E6%9E%B6-cloudwego-kitex-%E5%86%85%E5%A4%96%E7%BB%9F%E4%B8%80%E7%9A%84%E5%BC%80%E6%BA%90%E5%AE%9E%E8%B7%B5/)
 - [字节跳动 Go RPC 框架 Kitex 性能优化实践](https://www.cloudwego.io/zh/blog/2021/09/23/%E5%AD%97%E8%8A%82%E8%B7%B3%E5%8A%A8-go-rpc-%E6%A1%86%E6%9E%B6-kitex-%E6%80%A7%E8%83%BD%E4%BC%98%E5%8C%96%E5%AE%9E%E8%B7%B5/)
-- [字节跳动在 Go 网络库上的实践](https://www.cloudwego.io/zh/blog/2021/10/09/%E5%AD%97%E8%8A%82%E8%B7%B3%E5%8A%A8%E5%9C%A8-go-%E7%BD%91%E7%BB%9C%E5%BA%93%E4%B8%8A%E7%9A%84%E5%AE%9E%E8%B7%B5/)
+- [字节跳动在 Go 网络库上的实践](https://www.cloudwego.io/zh/blog/2020/05/24/%E5%AD%97%E8%8A%82%E8%B7%B3%E5%8A%A8%E5%9C%A8-go-%E7%BD%91%E7%BB%9C%E5%BA%93%E4%B8%8A%E7%9A%84%E5%AE%9E%E8%B7%B5/)
 - [RPC 框架 Kitex 实践入门：性能测试指南](https://www.cloudwego.io/zh/blog/2021/11/24/rpc-%E6%A1%86%E6%9E%B6-kitex-%E5%AE%9E%E8%B7%B5%E5%85%A5%E9%97%A8%E6%80%A7%E8%83%BD%E6%B5%8B%E8%AF%95%E6%8C%87%E5%8D%97/)
 
 ## 贡献代码